UniversalViewer/Assets/Scripts/ModelViewerBase/ModelBuilder.cs

using System;
using System.Collections;
using UnityEngine;

public class ModelBuilder : MonoBehaviour
{
    public static ModelBuilder _mainInstance;

    public static ModelBuilder GetInstance()
    {
        return _mainInstance;
    }

    public static T GetInstance<T>() where T : ModelBuilder
    {
        return _mainInstance as T;
    }

    protected virtual void Awake()
    {
        _mainInstance = this;
    }

    public ObjectContainer SpawnAsset(string assetPath)
    {
        return SpawnAsset(AssetTypes.Unknown, assetPath);
    }

    public virtual ObjectContainer SpawnAsset(Enum assetType, string assetPath)
    {
        if (this.GetType() == typeof(ModelBuilder)) throw new NotImplementedException();

        ModelViewerMain.GetInstance().PrepareForLoad();

        return null;
    }

    public IEnumerator SpawnAssetCoroutine(string assetPath, Action<ObjectContainer> callback = null)
    {
        yield return SpawnAssetCoroutine(AssetTypes.Unknown, assetPath, callback);
    }

    public virtual IEnumerator SpawnAssetCoroutine(Enum assetType, string assetPath, Action<ObjectContainer> callback = null)
    {
        if(this.GetType() == typeof(ModelBuilder)) throw new NotImplementedException();

        ModelViewerMain.GetInstance().PrepareForLoad();

        yield break;
    }

    public virtual ObjectContainer SpawnSerialized(ObjectContainerSerializable oc)
    {
        if (this.GetType() == typeof(ModelBuilder)) throw new NotImplementedException();

        ModelViewerMain.GetInstance().PrepareForLoad();

        return null;
    }

    public virtual IEnumerator SpawnSerializedCoroutine(ObjectContainerSerializable oc, Action<ObjectContainer> callback = null)
    {
        if (this.GetType() == typeof(ModelBuilder)) throw new NotImplementedException();

        ModelViewerMain.GetInstance().PrepareForLoad();

        yield break;
    }
}